| 11. | The company acquired a lead mine at Bonne Terre, Missouri.
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| 12. | One example is Lead Mine Elementary School in North Raleigh.
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| 13. | The lead mining tithe was due to the rectors by ancient custom.
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| 14. | There had always been lead mining in and around Wirksworth.
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| 15. | The village was formerly home to a large lead mine.
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| 16. | In the past it was well known as a lead mining centre.
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| 17. | It grew up around the locality of lead mines and limestone quarries.
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| 18. | The last silver, zinc, and lead mine closed about 1971.
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| 19. | In 1878 he was engaged by the lead mines in northern China.
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| 20. | Lead mining increased, and output almost doubled between 1300 and 1500.
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